our top story, 50 million expected to watch betweens debate president obama and mitt romney. the first of the debates for the candidates. there will be 3. what happens on the stage could .lay a big role at the polls brianne carter has a preview. >> after months of battling, obama and republican hopeful mitt romney will share the same stage in denver. the first presidential debate. >> governor romney and president meet on the stage behind me. >> the latest poll shows the for president is very close. what happens tonight could have campaignson the two that are winding down with e than a month left to go. g to the wall street journal, they will square off 15-minute six segments with a focus on the economy, health care, and the role of government. have been caring for weeks. break tuesday and wives weighed in on how big it will go. we are focused and i cannot for the contrast we will hear. >> he's a very good debater, so him to relax and be himself. if he is barack obama the country has come to know and t job. he will do a grea this is a great day for forident obama and his wife